public bool Start(bool treatErrorsAsWarning, CancellationToken cancellationToken)
{
try
{
var boundIp = _options.BoundInterNetworkAddress;
if (_addressFamily == AddressFamily.InterNetworkV6)
{
boundIp = _options.BoundInterNetworkV6Address;
}
_localEndPoint = new IPEndPoint(boundIp, _options.Port);
_logger.Info("Starting TCP listener (Endpoint='{0}', TLS={1}).", _localEndPoint, _tlsCertificate != null);
_socket = new CrossPlatformSocket(_addressFamily);
// Usage of socket options is described here: https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.socket.setsocketoption?view=netcore-2.2
if (_options.ReuseAddress)
{
_socket.ReuseAddress = true;
}
if (_options.NoDelay)
{
_socket.NoDelay = true;
}
if (_options.LingerState != null)
{
_socket.LingerState = _options.LingerState;
}
_socket.Bind(_localEndPoint);
// Get the local endpoint back from the socket. The port may have changed.
// This can happen when port 0 is used. Then the OS will choose the next free port.
_localEndPoint = (IPEndPoint)_socket.LocalEndPoint;
_options.Port = _localEndPoint.Port;
_socket.Listen(_options.ConnectionBacklog);
_logger.Verbose("TCP listener started (Endpoint='{0}'.", _localEndPoint);
Task.Run(() => AcceptClientConnectionsAsync(cancellationToken), cancellationToken).RunInBackground(_logger);
return(true);
}
catch (Exception exception)
{
if (!treatErrorsAsWarning)
{
throw;
}
_logger.Warning(exception, "Error while creating listener socket for local end point '{0}'.", _localEndPoint);
return(false);
}
}
#pragma warning disable 4014
public bool Start(bool treatErrorsAsWarning, CancellationToken cancellationToken)
{
try
{
var boundIp = _options.BoundInterNetworkAddress;
if (_addressFamily == AddressFamily.InterNetworkV6)
{
boundIp = _options.BoundInterNetworkV6Address;
}
_localEndPoint = new IPEndPoint(boundIp, _options.Port);
_logger.Info($"Starting TCP listener for {_localEndPoint} TLS={_tlsCertificate != null}.");
_socket = new CrossPlatformSocket(_addressFamily);
// Usage of socket options is described here: https://docs.microsoft.com/en-us/dotnet/api/system.net.sockets.socket.setsocketoption?view=netcore-2.2
if (_options.ReuseAddress)
{
_socket.ReuseAddress = true;
}
if (_options.NoDelay)
{
_socket.NoDelay = true;
}
_socket.Bind(_localEndPoint);
_socket.Listen(_options.ConnectionBacklog);
#if NET40
TaskExtension.Run(() => AcceptClientConnectionsAsync(cancellationToken).Wait(), cancellationToken).Forget(_logger);
#else
TaskExtension.Run(() => AcceptClientConnectionsAsync(cancellationToken), cancellationToken).Forget(_logger);
#endif
return(true);
}
catch (Exception exception)
{
if (!treatErrorsAsWarning)
{
throw;
}
_logger.Warning(exception, "Error while creating listener socket for local end point '{0}'.", _localEndPoint);
return(false);
}
}
